Give an example of 2 known mutations and 2 known point mutations that cause specific diseases. Explain how these mutations develop the illness.

3) Hepatitis-B Typhoid fever is a bacterial infection that can spread throughout the body, affecting many organs. It is caused by a bacterium called Salmonella typhi, which is related to...

In specific immune defenses, responses are usually triggered by antigens that are specific to the pathogen. The body's immune system responds to these antigens by producing special proteins called antibodies that attach to...

Genetic disease (disorder) is a genetic problem caused by one or more abnormalities in the genome, especially a condition that is preset from birth (congential). Abnormalities can be as small...

1. (i) Parkinson's disease- A disorder of the central nervous system that affects movement, often including tremors.Nerve cell damage in the brain causes dopamine levels to drop, leading to the...

The Koch's postulates that are used for judging if a bacteria is the cause of the diseases and for identification of the disease-causing bacteria include:bacteria must be present in all...

AIDS, smallpox, Ebola, and Hepatitis

i) Point mutations are a large category of mutations that describe a change in single nucleotide of DNA, such that that nucleotide is switched for another nucleotide, or that nucleotide...

2. Irritable bowel syndrome.

Influenza A viruses have infected many different animals, including ducks, chickens, pigs, whales, horses, and seals. However, certain subtypes of influenza A virus are specific to certain species, except for...

Enzymes are highly specialised complexes protein that aid chemical change in every part of our body. For example, they help break down food so our body can use it effectively.They...